IMMUNOGEN INC's ticker is IMGN and the CUSIP is 45253H101. A total of 221 filers reported holding IMMUNOGEN INC in Q3 2021. The put-call ratio across all filers is 0.30 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $3,644,038 | +19.4% | 229,618 | +42.0% | 0.00% | 0.0% |
| Q2 2023 | $3,051,260 | +852.9% | 161,699 | +93.9% | 0.00% | – |
| Q1 2023 | $320,214 | -22.6% | 83,389 | 0.0% | 0.00% | – |
| Q4 2022 | $413,609 | +3.2% | 83,389 | -0.5% | 0.00% | – |
| Q3 2022 | $400,731 | +3.8% | 83,835 | -2.3% | 0.00% | – |
| Q2 2022 | $386,096 | -5.0% | 85,799 | +0.5% | 0.00% | – |
| Q1 2022 | $406,337 | -46.9% | 85,365 | -17.2% | 0.00% | – |
| Q4 2021 | $765,000 | +29.7% | 103,055 | -1.0% | 0.00% | – |
| Q3 2021 | $590,000 | -19.5% | 104,095 | -6.4% | 0.00% | -100.0% |
| Q2 2021 | $733,000 | -16.5% | 111,206 | +2.6% | 0.00% | 0.0% |
| Q1 2021 | $878,000 | +23.5% | 108,361 | -1.7% | 0.00% | 0.0% |
| Q4 2020 | $711,000 | +91.6% | 110,258 | +7.1% | 0.00% | – |
| Q3 2020 | $371,000 | -17.6% | 102,957 | 0.0% | 0.00% | – |
| Q2 2020 | $450,000 | +26.4% | 102,957 | -1.3% | 0.00% | – |
| Q1 2020 | $356,000 | -21.4% | 104,351 | +17.6% | 0.00% | – |
| Q4 2019 | $453,000 | +77.0% | 88,752 | -5.7% | 0.00% | – |
| Q3 2019 | $256,000 | +21.3% | 94,086 | -3.1% | 0.00% | – |
| Q2 2019 | $211,000 | -19.8% | 97,123 | -0.1% | 0.00% | – |
| Q1 2019 | $263,000 | -38.3% | 97,205 | +9.6% | 0.00% | -100.0% |
| Q4 2018 | $426,000 | -52.0% | 88,678 | -5.4% | 0.00% | 0.0% |
| Q3 2018 | $887,000 | -4.2% | 93,728 | -1.5% | 0.00% | 0.0% |
| Q2 2018 | $926,000 | +17.4% | 95,177 | +27.0% | 0.00% | 0.0% |
| Q1 2018 | $789,000 | +59.4% | 74,960 | -2.8% | 0.00% | 0.0% |
| Q4 2017 | $495,000 | -1.0% | 77,143 | +17.9% | 0.00% | 0.0% |
| Q3 2017 | $500,000 | +5.0% | 65,408 | -2.3% | 0.00% | 0.0% |
| Q2 2017 | $476,000 | +70.6% | 66,935 | -7.0% | 0.00% | – |
| Q1 2017 | $279,000 | +103.6% | 71,965 | +7.0% | 0.00% | – |
| Q4 2016 | $137,000 | -14.4% | 67,260 | +12.7% | 0.00% | – |
| Q3 2016 | $160,000 | -14.9% | 59,677 | -2.1% | 0.00% | – |
| Q2 2016 | $188,000 | -60.3% | 60,936 | +6.3% | 0.00% | – |
| Q1 2016 | $474,000 | -38.3% | 57,308 | +1.3% | 0.00% | -100.0% |
| Q4 2015 | $768,000 | +42.8% | 56,575 | +1.1% | 0.00% | 0.0% |
| Q3 2015 | $538,000 | -31.6% | 55,971 | +2.4% | 0.00% | 0.0% |
| Q2 2015 | $786,000 | +54.4% | 54,638 | -3.9% | 0.00% | 0.0% |
| Q1 2015 | $509,000 | +51.9% | 56,849 | +3.4% | 0.00% | – |
| Q4 2014 | $335,000 | -43.0% | 54,990 | -0.9% | 0.00% | -100.0% |
| Q3 2014 | $588,000 | -10.8% | 55,514 | -0.1% | 0.00% | 0.0% |
| Q2 2014 | $659,000 | -31.3% | 55,576 | -13.5% | 0.00% | -50.0% |
| Q1 2014 | $959,000 | +1.6% | 64,273 | -0.1% | 0.00% | +100.0% |
| Q4 2013 | $944,000 | -13.6% | 64,367 | +0.3% | 0.00% | -50.0% |
| Q3 2013 | $1,092,000 | -0.5% | 64,188 | -2.9% | 0.00% | 0.0% |
| Q2 2013 | $1,097,000 | – | 66,125 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Redmile Group, LLC | 17,503,417 | $277,779,228 | 13.22% |
| Fairmount Funds Management LLC | 5,929,592 | $94,102,625 | 11.32% |
| CM Management, LLC | 500,000 | $7,935,000 | 8.42% |
| SILVERARC CAPITAL MANAGEMENT, LLC | 1,307,435 | $20,748,993 | 6.29% |
| Altium Capital Management LP | 725,000 | $11,505,750 | 6.00% |
| RA Capital Management | 13,322,288 | $211,424,711 | 4.16% |
| TANG CAPITAL MANAGEMENT LLC | 1,500,000 | $23,805,000 | 3.36% |
| BRIDGER MANAGEMENT, LLC | 467,220 | $7,414,781 | 2.73% |
| Birchview Capital, LP | 190,000 | $3,015,300 | 2.57% |
| Boxer Capital, LLC | 2,961,000 | $46,991,070 | 2.50% |